Primes p such that 2*p+q and 2*p+r are prime, where q and r are the next two primes after p.

Terms

a(0) =3a(1) =19a(2) =241a(3) =439a(4) =577a(5) =743a(6) =787a(7) =983a(8) =1549a(9) =1637a(10) =1699a(11) =1879a(12) =2273a(13) =2843a(14) =3929a(15) =4157a(16) =4201a(17) =4583a(18) =5669a(19) =5791a(20) =6301a(21) =6659a(22) =7559a(23) =11887a(24) =12163a(25) =12517a(26) =12889a(27) =13007a(28) =13049a(29) =13219